161032956 has 24 divisors (see below), whose sum is σ = 429421440. Its totient is φ = 46009392.

The previous prime is 161032939. The next prime is 161032973. The reversal of 161032956 is 659230161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (161032939) and next prime (161032973).

It is a super-2 number, since 2×161032956² = 51863225836195872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958446 + ... + 958613.

It is an arithmetic number, because the mean of its divisors is an integer number (17892560).

Almost surely, 2^161032956 is an apocalyptic number.

It is an amenable number.

161032956 is an abundant number, since it is smaller than the sum of its proper divisors (268388484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161032956 is a wasteful number, since it uses less digits than its factorization.

161032956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917073 (or 1917071 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 161032956 is about 12689.8761223268. The cubic root of 161032956 is about 544.0492989852.

The spelling of 161032956 in words is "one hundred sixty-one million, thirty-two thousand, nine hundred fifty-six".